Mercury Systems Inc
MRCY- Exchange
- Nasdaq
- Industry
- Electronic Components & Accessories
- SEC CIK
- 0001049521
In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Mercury Systems Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 219
- +4 vs. Q3 2023
- Shares held
- 61.0M
- +1.18M (+2.0%) vs. Q3 2023
- Total value
- $2.23B
- +$14.3M (+0.6%) vs. Q3 2023
- New holders
- 29
- 85 more added
- Sold out
- 25
- 75 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRCY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 392 | $8.01B |
| Q1 2026 | 357 | $4.75B |
| Q4 2025 | 347 | $4.72B |
| Q3 2025 | 326 | $5.02B |
| Q2 2025 | 285 | $3.50B |
| Q1 2025 | 253 | $2.72B |
| Q4 2024 | 243 | $2.66B |
| Q3 2024 | 245 | $2.33B |
| Q2 2024 | 232 | $1.75B |
| Q1 2024 | 222 | $1.84B |
| Q4 2023 | 219 | $2.23B |
| Q3 2023 | 217 | $2.22B |
| Q2 2023 | 236 | $1.95B |
| Q1 2023 | 245 | $2.94B |
| Q4 2022 | 236 | $2.61B |
| Q3 2022 | 235 | $2.33B |
| Q2 2022 | 254 | $3.65B |
| Q1 2022 | 253 | $3.77B |
| Q4 2021 | 252 | $3.14B |
| Q3 2021 | 251 | $2.51B |
| Q2 2021 | 255 | $3.48B |
| Q1 2021 | 282 | $3.75B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 589,111 | $21.6M | 0.02% | −2,286−0.4% | Reduced |
| Cooper Creek Partners Management LLC | 630,856 | $23.1M | 1.21% | −240,080−27.6% | Reduced |
| Bank of New York Mellon Corp | 766,758 | $28.0M | 0.01% | −18,096−2.3% | Reduced |
| Geode Capital Management, LLC | 838,215 | $30.7M | 0.00% | +46,300+5.8% | Added |
| Snyder Capital Management L P | 807,257 | $32.0M | 0.72% | −243,176−23.2% | Reduced |
| Royal Bank of Canada | 890,700 | $32.6M | 0.01% | +2,835+0.3% | Added |
| Manufacturers Life Insurance Company, The | 913,498 | $33.4M | 0.02% | +89,416+10.9% | Added |
| Segall Bryant & Hamill, LLC | 1,288,150 | $47.1M | 0.91% | +23,994+1.9% | Added |
| Westwood Holdings Group Inc. | 1,354,566 | $49.5M | 0.42% | +8,603+0.6% | Added |
| Victory Capital Management Inc | 1,800,182 | $65.8M | 0.07% | +27,488+1.6% | Added |
| Bamco Inc | 1,893,154 | $69.2M | 0.18% | +218,918+13.1% | Added |
| Dimensional Fund Advisors LP | 1,974,504 | $72.2M | 0.02% | +325,549+19.7% | Added |
| Starboard Value LPSuperinvestorStarboard Value | 2,145,000 | $78.4M | 1.64% | −163,800−7.1% | Reduced |
| Conestoga Capital Advisors, LLC | 2,450,459 | $89.6M | 1.34% | +288,973+13.4% | Added |
| State Street Corp | 3,536,048 | $129.3M | 0.01% | +487,051+16.0% | Added |
| JANA Partners Management, LP | 5,211,135 | $190.6M | 12.30% | +505,886+10.8% | Added |
| Vanguard Group Inc | 5,669,352 | $207.3M | 0.00% | +53,387+1.0% | Added |
| William Blair Investment Management, LLC | 6,556,772 | $239.8M | 0.70% | −192,790−2.9% | Reduced |
| BlackRock Inc. | 7,487,149 | $273.8M | 0.01% | +293,875+4.1% | Added |
| Ranger Investment Management, L.P. | 0 | $0 | 0.00% | −653,108−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −292,107−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −212,970−100.0% | Sold out |
| EVR Research LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −95,383−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −67,271−100.0% | Sold out |
| Bullseye Asset Management LLC | 0 | $0 | 0.00% | −62,841−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −45,208−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −40,328−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −30,442−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −16,208−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −15,332−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −12,174−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −9,795−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −8,836−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −7,157−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −6,217−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −320−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Fisher Asset Management, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Column Capital Advisors, LLC | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |